Package jnr.process
Class ProcessBuilder
- java.lang.Object
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- jnr.process.ProcessBuilder
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public class ProcessBuilder extends java.lang.Object
ProcessBuilder mimics the API of the JDKProcessBuilder
class, providing methods to build up and launch a child process.
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Constructor Summary
Constructors Constructor Description ProcessBuilder(java.lang.String... command)
Create a new ProcessBuilder instance with the given command line.ProcessBuilder(java.util.List<java.lang.String> command)
Create a new ProcessBuilder instance with the given command line.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.util.List<java.lang.String>
command()
Get a copy of the list of command line arguments that will be used to launch the child process.ProcessBuilder
command(java.lang.String... command)
Replace the command line with the given varargs array of command line arguments.ProcessBuilder
command(java.util.List<java.lang.String> command)
Replace the command line with the given list of command line arguments.java.util.Map<java.lang.String,java.lang.String>
environment()
Returns a string map view of this process builder's environment.Process
start()
Launch the subprocess and return a newProcess
instance.
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Constructor Detail
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ProcessBuilder
public ProcessBuilder(java.util.List<java.lang.String> command)
Create a new ProcessBuilder instance with the given command line.- Parameters:
command
- the command line as a list of string arguments
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ProcessBuilder
public ProcessBuilder(java.lang.String... command)
Create a new ProcessBuilder instance with the given command line.- Parameters:
command
- the command line as a varargs array of string arguments
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Method Detail
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command
public java.util.List<java.lang.String> command()
Get a copy of the list of command line arguments that will be used to launch the child process.- Returns:
- a copied list of command line arguments
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command
public ProcessBuilder command(java.util.List<java.lang.String> command)
Replace the command line with the given list of command line arguments.- Parameters:
command
- the new list of command line arguments- Returns:
- this ProcessBuilder instance
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command
public ProcessBuilder command(java.lang.String... command)
Replace the command line with the given varargs array of command line arguments.- Parameters:
command
- the new array of command line arguments- Returns:
- this ProcessBuilder instance
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environment
public java.util.Map<java.lang.String,java.lang.String> environment()
Returns a string map view of this process builder's environment. Whenever a process builder is created, the environment is initialized to a copy of the current process environment (SeeSystem.getenv()
). Subprocesses subsequently started by this object'sstart()
method will use this map as their environment.The returned object may be modified using ordinary
Map
operators.- Returns:
- The process builder's environment.
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